Maybe you've just installed a dual boot system. It's all going well and good, but when you start the computer, Windows appears at the bottom of the boot menu.

You might still want to use Windows as your primary operating system, and so pressing down a few times and Enter each boot time could get frustrating. You'd ideally like Windows at the top of the boot menu ...

Most modern graphical user interfaces place menubars underneath the title bar of each window. This approach works well for most people, but there is another concept that is often used.

The most obvious and memorable implementation is in Apple's Mac OS system. What am I talking about? Well, putting one global menu bar at the top of the window; the context of which changes depending on which application is ...